CN112316636A - Circulating waste incineration flue gas treatment device - Google Patents
Circulating waste incineration flue gas treatment device Download PDFInfo
- Publication number
- CN112316636A CN112316636A CN202011125075.4A CN202011125075A CN112316636A CN 112316636 A CN112316636 A CN 112316636A CN 202011125075 A CN202011125075 A CN 202011125075A CN 112316636 A CN112316636 A CN 112316636A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- container
- pipe
- shell
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention discloses a circulating type waste incineration flue gas treatment device which comprises a dust removal shell, an installation shell, an pickling container and a precipitation container, wherein an installation rod is installed on the inner side of the dust removal shell, scraping rods are installed on the inner sides of the installation rod and a limiting plate, the installation shell is arranged on the right side of the limiting plate, a fixing ring is arranged on the inner side of the installation shell, a turnover ring is arranged on the lower side of the fixing ring, an ash guide pipe is arranged on the lower side of the dust removal shell, and a blower box is arranged at the right end of the dust removal shell. This circulating waste incineration flue gas processing apparatus can circulate the processing to the flue gas, can detect the flue gas that does not reach standard, makes it carry out the absorption processing of recycling once more to still there is harmful substance in the flue gas of avoiding will discharging, reduce the pollution to the environment, and can be in the pocket type filtering process, turn the filter bag, thereby avoid crossing the filter bag and block up, guarantee the filter effect.
Description
Technical Field
The invention relates to the technical field of waste incineration flue gas treatment, in particular to a circulating type waste incineration flue gas treatment device.
Background
The waste incineration becomes an important part of the recycling economy, the problem of resource shortage is solved and the waste discharge is reduced in the recycling process of waste resources and waste materials, although the waste incineration makes an old method for treating the waste, the waste incineration method becomes one of the main methods for treating the urban waste, but the waste incinerator needs to be equipped with a good waste incineration flue gas treatment device, but most of the waste incineration flue gas treatment devices in the market still have some problems, such as:
the invention provides a circulating type waste incineration flue gas treatment device, which is not convenient for circulating treatment of flue gas, is easy to cause partial harmful substances in the flue gas but is inconvenient for retreatment, thereby influencing the flue gas emission, and is easy to cause blockage of a filter bag due to excessive particles in the flue gas in the bag type filtering process, thereby influencing the filtering effect.
Disclosure of Invention
The invention aims to provide a circulating type waste incineration flue gas treatment device, and aims to solve the problems that most of the waste incineration flue gas treatment devices in the market proposed in the background art are inconvenient to circularly treat flue gas, so that part of harmful substances still exist in the flue gas but are inconvenient to treat again, and therefore the flue gas emission is influenced, and in the bag type filtering process, the filtering bag is easy to block due to excessive particles in the flue gas, and therefore the filtering effect is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a circulating waste incineration flue gas treatment device comprises a dust removal shell, an installation shell, an pickling container and a sedimentation container, wherein an installation rod is installed on the inner side of the dust removal shell, a limiting plate is arranged on the right side of the installation rod, a water mist spray head is arranged on the upper side of the installation rod, scraping rods are installed on the inner sides of the installation rod and the limiting plate, the installation shell is arranged on the right side of the limiting plate, a fixing ring is arranged on the inner side of the installation shell, a driving rod is installed on the inner side of the fixing ring, an upper scraping rod is fixed on the outer side of the driving rod, a turning ring is arranged on the lower side of the fixing ring, a filter bag is arranged on the outer side of the upper scraping rod, a limiting rod is installed on the right side of the turning ring, an ash guide pipe is arranged on the lower side of the dust removal shell, an ash bin is installed at the rear end of the ash guide pipe, the inner side of the absorption container is filled with activated carbon, the right side of the absorption container is provided with an pickling container, the inner side of the pickling container is loaded with a hydrosolvent, the upper side of the pickling container is provided with a guide pipe, the lower end of the guide pipe is provided with an air outlet pipe, and the lower side of the air outlet pipe is provided with a waste water outlet pipe;
the rear end of the wastewater outlet pipe is provided with a filter plate, the outer side of the filter plate is provided with a precipitation container, the inner side of the precipitation container is provided with a drain pipe, the outer side of the drain pipe is provided with a baffle plate, the rear side of the precipitation container is provided with a filter screen, the right side of the precipitation container is provided with a hydrochloric acid analysis tower, the left side of the hydrochloric acid analysis tower is provided with an acid analysis channel pipe, the right side of the pickling container is provided with a detection container, the inner side of the detection container is provided with a gas detector, the upper end of the detection container is provided with a gas pipe, the right side of the gas pipe is provided with a chimney, the inner side of the chimney is provided with an electromagnetic valve, the right side of the detection container is provided with a gas detector, the rear end of the detection container is connected with a circulating pipe, the left side of the dedusting shell is connected with a, the upper end of the flue gas heat exchange box is provided with a steam exhaust pipe, and the left end of the limiting rod is provided with a flue gas inlet pipe.
Preferably, the operation steps in the dust removing shell are as follows:
step 1: the gas after the dioxin absorption treatment in the dioxin absorption tower is guided into the dedusting shell through the gas guide pipe, the residence time of the flue gas is reduced through the trapezoidal longitudinal section at the lower end of the dedusting shell, the generation of the dioxin is reduced again, and meanwhile, the flue gas is rapidly cooled through the water mist spray head to enable the temperature of the flue gas to be rapidly reduced to a proper temperature; step 2: the temperature of the smoke is reduced to be proper and is further reduced through the blocking of the limiting plate, so that the smoke keeps the proper temperature and enters the installation shell; and step 3: the smoke entering the mounting shell is filtered through the filter bag, the turning ring is driven to move up and down through the rotation of the driving rod, so that the filter bag is turned over, and meanwhile, the inside of the mounting shell is blown by the blower box, so that rotary airflow is generated in the mounting shell, and the smoke discharging speed is reduced; and 4, step 4: after filtering for a certain time in the dust removal shell, opening the dust guide pipe, and guiding the dust accumulated at the bottom of the dust removal shell into the dust bin for later treatment.
Preferably, the scraping rod monomers are in transmission connection through a belt, and the longitudinal section of the lower end of the scraping rod is trapezoidal.
Preferably, the outlet duct is equidistant in pickling container's inboard setting, and pickling container's upper end is the slope form, and the through-hole column structure has evenly been seted up to the lower surface of outlet duct, and is the intercommunication setting between the outlet duct monomer.
Preferably, the gas detector is arranged at the outlet of the gas pipe and at the lower side in the detection container, and the detection container is communicated with the gas guide pipe through a circulating pipe.
Preferably, the longitudinal section of the drain pipe is J-shaped, and the height of the lower end of the drain pipe is far lower than that of the baffle.
Preferably, the filter screen forms through the bolt and deposits the container and can dismantle the connection, and deposits the inboard of container and leaves the groove-shaped structure in equal interval in advance to this groove-shaped structure is the one-to-one with the baffle setting.
Preferably, the fixing ring and the mounting shell form an integrated structure through welding, and the fixing ring and the overturning ring are arranged in a complementary mode.
Preferably, the filter bag, the fixing ring and the overturning ring are all connected in a nested manner, the inner end of the overturning ring is connected with the driving rod in a sliding manner, and the right end of the overturning ring is connected with the limiting rod in a sliding manner.
Compared with the prior art, the invention has the beneficial effects that: the circulating type waste incineration flue gas treatment device can circularly treat flue gas, can detect the flue gas which does not reach the standard, and can circularly absorb the flue gas again, so that harmful substances in the discharged flue gas are avoided, the pollution to the environment is reduced, and the filter bag can be turned over in the bag type filtering process, so that the filter bag is prevented from being blocked, and the filtering effect is ensured;
1. the filter bag, the fixing ring and the turning ring are all connected in a nested manner, so that the filter bag can ensure the filtering effect on smoke in both the positive and negative directions, the turning ring can drive the filter bag to move up and down through the sliding between the turning ring and the driving rod, so that the filter bag can be turned in the positive and negative directions, and meanwhile, the fixing ring and the turning ring can rub the filter bag when the filter bag moves up and down to turn in the positive and negative directions through the complementation between the fixing ring and the turning ring, so that the filter bag is prevented from being blocked and the filtering effect is ensured;
2. the gas detector is arranged at the outlet of the gas pipe and the lower side in the detection container, so that the gas detector can detect the types and concentrations of particles in gas at different heights in the detection container, the gas detector controls the electromagnetic valve to control the discharge or circulation of the flue gas, and the circulating pipe is communicated with the gas guide pipe, so that the gas in the detection container can return to the dedusting shell again to be subjected to secondary absorption treatment, harmful substances in the discharged flue gas are avoided, and the pollution to the environment is reduced;
3. be equidistant setting in the inboard of pickling container through the outlet duct, and the outlet duct gos deep into the bottom of hydrosolvent for the flue gas can be more big area and more time contact with the hydrosolvent, thereby ensure that the acid material in the flue gas can absorb completely, simultaneously through the "J" type longitudinal section of drain pipe, enable the hydrosolvent of saturation and carry out the abundant reaction in the sedimentation container, thereby ensure that remaining various materials can carry out recycle in the hydrosolvent, increase circular economy utilization.
Drawings
FIG. 1 is a schematic view of the connecting structure of the conduit and the pickling vessel according to the present invention;
FIG. 2 is a schematic top view of the connection between the circulation tube and the air duct according to the present invention;
FIG. 3 is a side view of the structure of the drain pipe and the baffle according to the present invention;
FIG. 4 is a schematic view of a front view of the connecting structure of the dioxin absorption tower and the gas guide tube according to the invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 6 is a schematic view of the connection structure of the inversion ring and the limiting rod.
In the figure: 1. a dust removal housing; 2. mounting a rod; 3. an air duct; 4. a limiting plate; 5. a driving lever; 6. installing a shell; 7. a blower box; 8. an acid immersion container; 9. a conduit; 10. a water solvent; 11. a flue gas heat exchange box; 12. an acid desorption passage tube; 13. a gas pipe; 14. a chimney; 15. an electromagnetic valve; 16. an ash guide pipe; 17. a scraping rod; 18. an upper rubbing rod; 19. an absorption vessel; 20. activated carbon; 21. an air outlet pipe; 22. discharging a waste water pipe; 23. detecting the container; 24. a circulation pipe; 25. a gas detector; 26. a gas detector; 27. a drain pipe; 28. a dioxin absorption tower; 29. a settling vessel; 30. a baffle plate; 31. filtering the plate; 32. a filter screen; 33. a hydrochloric acid resolving tower; 34. an ash bin; 35. a steam pipe bank; 36. a fixing ring; 37. a filter bag; 38. a flipping ring; 39. a flue gas inlet pipe; 40. a limiting rod; 41. a water mist spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a circulating waste incineration flue gas treatment device comprises a dust removal shell 1, a mounting rod 2, a gas guide tube 3, a limiting plate 4, a driving rod 5, a mounting shell 6, a blower box 7, an acid leaching container 8, a guide tube 9, a hydrosolvent 10, a flue gas heat exchange box 11, an acid hydrolysis channel tube 12, a gas tube 13, a chimney 14, an electromagnetic valve 15, an ash guide tube 16, a scraping rod 17, an upper scraping and rubbing rod 18 absorption container 19, activated carbon 20, a gas outlet tube 21, a waste water outlet tube 22, a detection container 23, a circulating tube 24, a gas detector 25, a gas detector 26, a drain tube 27, a dioxin absorption tower 28, a sedimentation container 29, a baffle 30, a filter plate 31, a filter screen 32, a hydrochloric acid analysis tower 33, an ash bin 34, a steam drain tube 35, a fixing ring 36, a filter bag 37, a turnover ring 38, a flue gas inlet tube 39, a limiting rod 40 and a spray nozzle 41, wherein the inner side of, a limiting plate 4 is arranged on the right side of the mounting rod 2, a water mist spray head 41 is arranged on the upper side of the mounting rod 2, a scraping rod 17 is arranged on the inner sides of the mounting rod 2 and the limiting plate 4, a mounting shell 6 is arranged on the right side of the limiting plate 4, a fixing ring 36 is arranged on the inner side of the mounting shell 6, a driving rod 5 is arranged on the inner side of the fixing ring 36, an upper scraping rod 18 is fixed on the outer side of the driving rod 5, a turning ring 38 is arranged on the lower side of the fixing ring 36, a filter bag 37 is arranged on the outer side of the upper scraping rod 18, a limiting rod 40 is arranged on the right side of the turning ring 38, an ash guide pipe 16 is arranged on the lower side of the dust removal shell 1, an ash bin 34 is arranged at the rear end of the ash guide pipe 16, a blower box 7 is arranged on the right end of the dust removal shell 1, an absorption container 19 is arranged on the lower side of the, the inner side of the pickling container 8 is loaded with the hydrosolvent 10, the upper side of the pickling container 8 is provided with a guide pipe 9, the lower end of the guide pipe 9 is provided with an air outlet pipe 21, and the lower side of the air outlet pipe 21 is provided with a waste water outlet pipe 22;
a filter plate 31 is arranged at the rear end of the waste water outlet pipe 22, a precipitation container 29 is arranged on the outer side of the filter plate 31, a drain pipe 27 is arranged on the inner side of the precipitation container 29, a baffle plate 30 is arranged on the outer side of the drain pipe 27, a filter screen 32 is arranged on the rear side of the precipitation container 29, a hydrochloric acid analysis tower 33 is arranged on the right side of the precipitation container 29, an acid analysis passage pipe 12 is arranged on the left side of the hydrochloric acid analysis tower 33, a detection container 23 is arranged on the right side of the pickling container 8, a gas detector 25 is arranged on the inner side of the detection container 23, a gas pipe 13 is arranged at the upper end of the detection container 23, a chimney 14 is arranged on the right side of the gas pipe 13, an electromagnetic valve 15 is arranged on the inner side of the chimney 14, a gas detector 26 is arranged on the right side of the detection container 23, a gas guide pipe 24 is connected to the, a flue gas heat exchange box 11 is arranged on the left side of the dioxin absorption tower 28, a steam exhaust pipe 35 is arranged at the upper end of the flue gas heat exchange box 11, and a flue gas inlet pipe 39 is arranged at the left end of a limiting rod 40;
the operation steps in the dust removing shell 1 are as follows: step 1: guiding the gas subjected to dioxin absorption treatment in the dioxin absorption tower 28 into the dedusting shell 1 through the gas guide pipe 3, reducing the residence time of the flue gas through the trapezoidal longitudinal section at the lower end of the dedusting shell 1, reducing the regeneration of dioxin, and simultaneously rapidly cooling the flue gas through the water mist spray nozzle 41 to rapidly cool the flue gas to a proper temperature; step 2: the smoke which is cooled to a proper temperature is further cooled by the blocking of the limiting plate 4, so that the smoke keeps a proper temperature and enters the installation shell 6; and step 3: the smoke entering the mounting shell 6 is filtered through the filter bag 37, the turning ring 38 is driven to move up and down through the rotation of the driving rod 5, the filter bag 37 is turned over, and meanwhile, the inside of the mounting shell 6 is blown through the blower box 7, so that rotary airflow is generated in the mounting shell 6, and the smoke discharging speed is reduced; and 4, step 4: after filtering for a certain time in the dust removal shell 1, opening the dust guide pipe 16, and guiding the dust accumulated at the bottom of the dust removal shell 1 into the dust bin 34 for later treatment, so that the flue gas can be rapidly cooled in the limiting plate 4, and the dioxin is prevented from being regenerated in the dust removal shell 1;
as shown in fig. 1 and 2, the scraping rods 17 are in transmission connection with each other through a belt, and the longitudinal section of the lower end of each scraping rod 17 is trapezoidal, so that the scraping rods 17 can clean the lower end of the dust removal housing 1, dust is prevented from adhering and accumulating, as shown in fig. 2 and 3, the gas outlet pipes 21 are arranged at equal intervals on the inner side of the pickling container 8, the upper end of the pickling container 8 is inclined, the lower surface of the gas outlet pipe 21 is uniformly provided with a through hole-shaped structure, and the gas outlet pipes 21 are communicated with each other, so that the flue gas can be in contact with the hydrosolvent 10 in a larger area and for a longer time, and the acidic substances in the flue gas can be completely absorbed;
as shown in fig. 1, the gas detector 25 is disposed at the outlet of the gas pipe 13 and at the lower side of the interior of the detection container 23, and the detection container 23 is communicated with the gas guide pipe 3 through the circulation pipe 24, so that the gas detector 25 can detect the types and concentrations of particles in the gas at different heights in the detection container 23, and the gas detector 26 controls the electromagnetic valve 15 to control the discharge or circulation of the flue gas, as shown in fig. 2 and 3, the longitudinal section of the water discharge pipe 27 is "J" shaped, and the height of the lower end of the water discharge pipe 27 is far lower than that of the baffle 30, so that the saturated aqueous solvent 10 can fully react in the precipitation container 29;
as shown in fig. 3, the filter screen 32 is detachably connected with the sedimentation container 29 through bolts, and the inner side of the sedimentation container 29 is reserved with groove-shaped structures at equal intervals, and the groove-shaped structures are arranged in one-to-one correspondence with the baffles 30, so that the precipitation recovery step of the aqueous solvent 10 is conveniently carried out in the precipitation container 29, as shown in fig. 6, the fixing ring 36 and the mounting shell 6 form an integrated structure through welding, and the fixing ring 36 and the turning ring 38 are arranged complementarily, so that when the filter bag 37 moves up and down and turns forwards and backwards, the fixing ring 36 and the turning ring 38 can scrape and rub the filter bag 37, thereby avoiding the blockage of the filter bag, as shown in fig. 5, the filter bag 37 is nested with the fixed ring 36 and the turning ring 38, the inner end of the turning ring 38 is connected with the driving rod 5 in a sliding way, and the right end of the turning ring 38 is connected with the limiting rod 40 in a sliding manner, so that the filter bag 37 can ensure the filtering effect on the smoke no matter the front side and the back side of the filter bag are opposite.
The working principle is as follows: when the circulating waste incineration flue gas treatment device is used, firstly, as shown in fig. 1, flue gas generated by waste incineration enters the flue gas heat exchange box 11 from the flue gas inlet pipe 39 for heat exchange to increase waste heat utilization, some steam is discharged through the steam discharge pipe 35 to ensure stable air pressure, then the flue gas after heat exchange enters the dioxin absorption tower 28 to absorb dioxin, then, as shown in fig. 1 and fig. 2, the flue gas is guided into the dust removal shell 1 through the air guide pipe 3, the flue gas residence time is reduced through the trapezoidal longitudinal section at the lower end of the dust removal shell 1, the dioxin regeneration is reduced, meanwhile, the flue gas is rapidly cooled through the water spray nozzle 41 to enable the flue gas to be rapidly cooled to an appropriate temperature, the flue gas cooled to an appropriate temperature is further cooled through the blocking of the limiting plate 4 to enable the flue gas to keep the appropriate temperature to enter the installation shell 6, the flue gas entering the installation shell 6 is filtered through the filter bag, the turning ring 38 is driven to move up and down by the rotation of the driving rod 5, so that the filter bag 37 is turned over, meanwhile, air is blown into the installation shell 6 through the air blowing box 7, so that rotary air flow is generated in the installation shell 6, the exhaust speed of smoke is slowed down, after the dust removal shell 1 is filtered for a certain time, the dust guide pipe 16 is opened, dust accumulated at the bottom of the dust removal shell 1 is guided into the dust bin 34 for later treatment, the smoke can be rapidly cooled in the limiting plate 4, the dioxin is prevented from being regenerated in the dust removal shell 1, as shown in figures 5 and 6, the filter bag 37 is nested with the fixing ring 36 and the turning ring 38, so that the filter effect of the filter bag 37 on the smoke can be ensured no matter the front side or the back side, and the turning ring 38 can drive the filter bag 37 to move up and down by the sliding between the turning ring 38 and the driving rod 5, therefore, the filter bag 37 is turned over positively and negatively, and meanwhile, the fixing ring 36 and the turning ring 38 can scrape and rub the filter bag 37 when the filter bag 37 moves up and down to turn over positively and negatively by the complementation between the fixing ring 36 and the turning ring 38, so that the filter bag is prevented from being blocked;
then as shown in fig. 1, fig. 2 and fig. 3, the filtered flue gas enters an absorption container 19, dioxin and other residual particles are absorbed by activated carbon 20, then other gases are led into an pickling container 8 through a guide pipe 9, the gas outlet pipe 21 is arranged at equal intervals on the inner side of the pickling container 8, the gas outlet pipe 21 extends into the bottom of the water solvent 10, so that the flue gas can be in contact with the water solvent 10 in a larger area and for a longer time, thereby ensuring that acid substances in the flue gas can be completely absorbed, then the gas is led into a detection container 23 through a gas pipe 13 for detection, the gas detector 25 is arranged at the outlet of the gas pipe 13 and at the lower side of the inner part of the detection container 23, so that the gas detector 25 can detect the types and the concentrations of particles in the gas at different heights in the detection container 23, and the gas detector 26 controls an electromagnetic valve 15 to control the discharge or circulation of the flue gas, and the circulation pipe 24 is communicated with the air duct 3, so that the gas in the detection container 23 can return to the dust removing shell 1 for reabsorption treatment, thereby avoiding harmful substances in the discharged flue gas and reducing the pollution to the environment, when the hydrosolvent 10 is saturated, which can not absorb acid gas, and is fed back by the gas detector 26, the wastewater outlet 22 is opened to lead the saturated hydrosolvent 10 into the precipitation container 29, the backflow of the sediment in the sedimentation container 29 can be prevented by the filter sheet 31, and the saturated aqueous solvent 10 can be sufficiently reacted in the sedimentation container 29 by the "J" shaped longitudinal section of the drain pipe 27, thereby ensuring that various substances remained in the water solvent 10 can be recycled, and the precipitation step adopted in the precipitation container 29 is the same as that adopted in the publication No. CN108191132A, namely the use method of the circulating type waste incineration flue gas treatment device.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a circulating msw incineration flue gas processing apparatus, includes dust removal shell (1), installation shell (6), pickling container (8) and precipitation container (29), its characterized in that: the dust removal device is characterized in that an installation rod (2) is installed on the inner side of the dust removal shell (1), a limiting plate (4) is arranged on the right side of the installation rod (2), a water mist spray head (41) is arranged on the upper side of the installation rod (2), a scraping rod (17) is installed on the inner sides of the installation rod (2) and the limiting plate (4), an installation shell (6) is arranged on the right side of the limiting plate (4), a fixing ring (36) is arranged on the inner side of the installation shell (6), a driving rod (5) is installed on the inner side of the fixing ring (36), a rubbing rod (18) is fixed on the outer side of the driving rod (5), a turnover ring (38) is arranged on the lower side of the fixing ring (36), a filter bag (37) is arranged on the outer side of the rubbing rod (18), a limiting rod (40) is installed on the right side of the turnover ring (38), an ash, an ash bin (34) is installed at the rear end of the ash guide pipe (16), a blower box (7) is arranged at the right end of the dust removal shell (1), an absorption container (19) is arranged on the lower side of the blower box (7), activated carbon (20) is filled in the inner side of the absorption container (19), an pickling container (8) is arranged on the right side of the absorption container (19), a hydrosolvent (10) is loaded on the inner side of the pickling container (8), a guide pipe (9) is arranged on the upper side of the pickling container (8), an air outlet pipe (21) is installed at the lower end of the guide pipe (9), and a waste water outlet pipe (22) is arranged on the lower side of the air outlet pipe (21);
the rear end of going out waste water pipe (22) is provided with filter plate (31), and the outside of filter plate (31) is provided with precipitation container (29), drain pipe (27) are installed to the inboard of precipitation container (29), and the outside of drain pipe (27) is provided with baffle (30), filter screen (32) are installed to the rear side of precipitation container (29), and the right side of precipitation container (29) is provided with hydrochloric acid analytic tower (33) to the left side of hydrochloric acid analytic tower (33) is provided with acid hydrolysis passageway pipe (12), the right side of pickling container (8) is provided with detection vessel (23), and the inboard of detecting vessel (23) installs gas detector (25), gas pipe (13) is installed to the upper end of detecting vessel (23), and the right side of gas pipe (13) is provided with chimney (14) to electromagnetic valve (15) are installed to the inboard of chimney (14), the right side that detects container (23) is provided with gas detection appearance (26), and the rear end that detects container (23) is connected with circulating pipe (24), the left side of dust removal shell (1) is connected with air duct (3), and the left end of air duct (3) is connected with dioxin absorption tower (28) to the left side of dioxin absorption tower (28) is provided with flue gas heat transfer case (11), steam comb pipe (35) are installed to the upper end of flue gas heat transfer case (11), and the left end of gag lever post (40) is provided with the flue gas and advances pipe (39).
2. The circulating waste incineration flue gas treatment device according to claim 1, characterized in that: the operation steps in the dust removal shell (1) are as follows:
step 1: the gas after the dioxin absorption treatment in the dioxin absorption tower (28) is introduced into the dedusting shell (1) through the gas guide pipe (3), the retention time of the flue gas is reduced through the trapezoidal longitudinal section at the lower end of the dedusting shell (1), the regeneration of the dioxin is reduced, and meanwhile, the flue gas is rapidly cooled through the water mist spray head (41) to enable the temperature of the flue gas to be rapidly reduced to the proper temperature;
step 2: the smoke which is cooled to a proper temperature is further cooled through the blocking of the limiting plate (4), so that the smoke keeps the proper temperature and enters the installation shell (6);
and step 3: the smoke entering the mounting shell (6) is filtered through the filter bag (37), the turning ring (38) is driven to move up and down through the rotation of the driving rod (5), so that the filter bag (37) is turned, and meanwhile, the inside of the mounting shell (6) is blown through the blower box (7), so that rotary airflow is generated in the mounting shell (6), and the smoke discharging speed is reduced;
and 4, step 4: after filtering for a certain time in the dust removing shell (1), opening the dust guide pipe (16), and guiding the dust accumulated at the bottom of the dust removing shell (1) into the dust bin (34) for later treatment.
3. The circulating waste incineration flue gas treatment device according to claim 1, characterized in that: the single scraping rods (17) are in transmission connection through a belt, and the longitudinal section of the lower end of each scraping rod (17) is trapezoidal.
4. The circulating waste incineration flue gas treatment device according to claim 1, characterized in that: the gas outlet pipe (21) is arranged on the inner side of the pickling container (8) at equal intervals, the upper end of the pickling container (8) is inclined, a through hole structure is uniformly formed in the lower surface of the gas outlet pipe (21), and the gas outlet pipe (21) is communicated with the single bodies.
5. The circulating waste incineration flue gas treatment device according to claim 1, characterized in that: the gas detector (25) is arranged at the outlet of the gas pipe (13) and at the lower side of the interior of the detection container (23), and the detection container (23) is communicated with the gas guide pipe (3) through a circulating pipe (24).
6. The circulating waste incineration flue gas treatment device according to claim 1, characterized in that: the longitudinal section of the drain pipe (27) is J-shaped, and the height of the lower end of the drain pipe (27) is far lower than that of the baffle (30).
7. The circulating waste incineration flue gas treatment device according to claim 1, characterized in that: the filter screen (32) is detachably connected with the sedimentation container (29) through bolts, groove-shaped structures are reserved on the inner side of the sedimentation container (29) at equal intervals, and the groove-shaped structures and the baffles (30) are arranged in a one-to-one correspondence mode.
8. The circulating waste incineration flue gas treatment device according to claim 1, characterized in that: the fixing ring (36) and the mounting shell (6) form an integrated structure through welding, and the fixing ring (36) and the overturning ring (38) are arranged in a complementary mode.
9. The circulating waste incineration flue gas treatment device according to claim 1, characterized in that: the filter bag (37), the fixing ring (36) and the overturning ring (38) are all connected in a nested mode, the inner end of the overturning ring (38) is connected with the driving rod (5) in a sliding mode, and the right end of the overturning ring (38) is connected with the limiting rod (40) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125075.4A CN112316636A (en) | 2020-10-20 | 2020-10-20 | Circulating waste incineration flue gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125075.4A CN112316636A (en) | 2020-10-20 | 2020-10-20 | Circulating waste incineration flue gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112316636A true CN112316636A (en) | 2021-02-05 |
Family
ID=74311696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011125075.4A Withdrawn CN112316636A (en) | 2020-10-20 | 2020-10-20 | Circulating waste incineration flue gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112316636A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836632A (en) * | 2012-11-27 | 2014-06-04 | 浙江久而久化学有限公司 | Waste adhesive incineration disposal device |
| CN206355803U (en) * | 2016-11-04 | 2017-07-28 | 许昌学院 | A kind of the city ecological environment protection device |
| CN108954339A (en) * | 2018-04-16 | 2018-12-07 | 南安市创培电子科技有限公司 | A kind of garbage burning factory waste gas treatment process |
| CN208742132U (en) * | 2018-08-06 | 2019-04-16 | 昆山名士电子科技有限公司 | A kind of automatic dust removing apparatus |
| CN110878943A (en) * | 2019-11-28 | 2020-03-13 | 宜昌江峡船用机械有限责任公司 | Garbage incineration system and efficient incineration control method |
| CN210278745U (en) * | 2019-04-24 | 2020-04-10 | 苏州绿蓝环保服务有限公司 | Acid exhaust gas purifying and filtering device |
-
2020
- 2020-10-20 CN CN202011125075.4A patent/CN112316636A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836632A (en) * | 2012-11-27 | 2014-06-04 | 浙江久而久化学有限公司 | Waste adhesive incineration disposal device |
| CN206355803U (en) * | 2016-11-04 | 2017-07-28 | 许昌学院 | A kind of the city ecological environment protection device |
| CN108954339A (en) * | 2018-04-16 | 2018-12-07 | 南安市创培电子科技有限公司 | A kind of garbage burning factory waste gas treatment process |
| CN208742132U (en) * | 2018-08-06 | 2019-04-16 | 昆山名士电子科技有限公司 | A kind of automatic dust removing apparatus |
| CN210278745U (en) * | 2019-04-24 | 2020-04-10 | 苏州绿蓝环保服务有限公司 | Acid exhaust gas purifying and filtering device |
| CN110878943A (en) * | 2019-11-28 | 2020-03-13 | 宜昌江峡船用机械有限责任公司 | Garbage incineration system and efficient incineration control method |
Non-Patent Citations (2)
| Title |
|---|
| 乐颂光、夏忠让等: "《钴冶金》", 31 March 1987 * |
| 解大等著: "《城市固废综合利用基地与能源互联网》", 31 August 2018 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103203170B (en) | Flue-gas cleaner | |
| CN201894904U (en) | Dual-cylinder rotational-flow bubbling dust removal and desulfurization gas cleaning device | |
| CN101822942B (en) | Wet purification method for dioxin and heavy metals in solid waste incineration gas | |
| CN203886406U (en) | Tail gas purification device of circulating fluid bed garbage incinerator | |
| CN204601914U (en) | A kind of intelligent waste gas dedusting odor removal | |
| CN206215021U (en) | A kind of wet type flue gas desulphurization system of waste incineration | |
| CN202876599U (en) | Purifying device of asphalt waste gas | |
| CN206996270U (en) | A kind of curing fume gathers cleaning system | |
| CN109351143B (en) | Flue gas desulfurization purification device capable of recovering waste heat for industrial boiler | |
| CN106075949A (en) | A kind of small-sized house refuse low temperature pyrogenation kiln gas purifier | |
| CN211450902U (en) | Circulating fluidized bed boiler flue gas waste heat recovery utilizes device | |
| CN206359475U (en) | A kind of high-efficiency refuse pyrolysis and exhaust treatment system | |
| CN112316636A (en) | Circulating waste incineration flue gas treatment device | |
| CN208074996U (en) | A kind of exhaust gas purification system of dangerous waste incineration | |
| CN208786150U (en) | A kind of desulphurization denitration dust-extraction unit based on PLC | |
| CN111729460B (en) | Flow decomposition treatment device for medical waste incineration waste gas | |
| CN203355583U (en) | Flue gas purifier | |
| CN208042156U (en) | A kind of mineralising stove dust-extraction unit | |
| CN214552251U (en) | Boiler tail gas reflux unit that purifying effect is good | |
| CN2875572Y (en) | Dust collecting sulfur gathering circulation device in smoke dust discharge | |
| CN211246058U (en) | Tail gas absorption device | |
| CN201046376Y (en) | A flue gas dust collector | |
| CN115040992A (en) | Tail gas treatment discharging equipment for carbon fiber production | |
| CN213221491U (en) | Biomass fuel boiler flue gas purification device | |
| CN208465602U (en) | A kind of new multistage formula flue gas desulfurization spray tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210205 |